Develop Trustzone support for imx6

[thong]

Hi Martin,

Thank you very much. I followed your guidance to build it again and got 
result uImage at var/run/tz_vmm_mx6. But I was not success to boot it 
with either run/tz_vmm_mx6 or run/printf.
Below are log messages for trying with run/printf

Hit any key to stop autoboot:  0
MX6Q SABRESD U-Boot > fatload mmc 2:1 0x40000000 uImage_sabrelite_tz
reading uImage_sabrelite_tz

366675 bytes read
MX6Q SABRESD U-Boot > bootm 40000000
## Booting kernel from Legacy Image at 40000000 ...
    Image Name:
    Image Type:   ARM Linux Kernel Image (gzip compressed)
    Data Size:    366611 Bytes = 358 kB
    Load Address: 10001000
    Entry Point:  10001000
    Verifying Checksum ... OK
    Uncompressing Kernel Image ... OK

Starting kernel ...

Is that my board MX6Q SABRESD differs from SABRELITE causing this? 
Please help me what I should do.

On 4/21/2015 5:48 PM, Martin Stein wrote:
>> Hit any key to stop autoboot:  0
>> MX6Q SABRESD U-Boot > fatload mmc 2:1 0x10001000 sabrelite.bin
>> reading sabrelite.bin
> According to [3], the text address of your image is 0x10001000. Thus, it
> isn't a good idea to fatload the image to this address too. You should
> use an address that is outside of any image-segment range (see [4]) and
> outside the boot loader image. According to the Sabrelite RAM-config in
> [5], 0x40000000 might be a good idea in your case.
Just notice you that 'sabrelite.bin' is binary format not u-boot image 
which I got from:
//usr/local/genode-gcc/bin/genode-arm-objcopy -O binary 
var/run/tz_vmm_mx6/image.elf var/run/tz_vmm_mx6/sabrelite.bin/
So I think I should fatload 'sabrelite.bin' into 0x10001000 which is 
text address of the image then I can directly execute it at that address 
with 'go' command. Is that my understanding wrong?

Thank you,
--Thong Nguyen.


On 4/21/2015 5:48 PM, Martin Stein wrote:
> Hi Thong,
>
> On 21.04.2015 09:24, thong wrote:
>> Hi Chirag garg,
>>
>> Thanks for your help. I tried to build your hw_sabrelite_tz_support
>> branch as follow:
>> RUN_OPT="--target uboot" make run/tz_vmm_mx6
> The "--target uboot" option is a deprecated way of configuring the run
> tool. Thus, I assume that you either have an old Genode state with the
> IIT-Madras imx6-support (a pretty recent feature) rebased onto it, or
> you have a Genode state that is up-to-date and applying the deprecated
> run options mistakenly.
>
> If you're on the iitmadras/hw_sabrelite_tz_support branch, the latter is
> the case. Make sure that you've deleted your old build directory and
> created a new one by doing:
>
> $GENODE_DIR/tool/create_builddir hw_sabrelite_tz
>
> Then, you should not set RUN_OPT by hand when calling 'make' but adapt
> it in [1] to the following value:
>
> RUN_OPT = --include boot_dir/hw --include image/uboot
>
> For more details on the new run options, see chapter "Modular tool kit
> for automated testing" in [2].
>
>> Hit any key to stop autoboot:  0
>> MX6Q SABRESD U-Boot > fatload mmc 2:1 0x10001000 sabrelite.bin
>> reading sabrelite.bin
> According to [3], the text address of your image is 0x10001000. Thus, it
> isn't a good idea to fatload the image to this address too. You should
> use an address that is outside of any image-segment range (see [4]) and
> outside the boot loader image. According to the Sabrelite RAM-config in
> [5], 0x40000000 might be a good idea in your case.
>
> Cheers,
> Martin
>
> [1] $BUILD_DIR/etc/build.conf
> [2] http://genode.org/documentation/release-notes/15.02
> [3] $GENODE_DIR/base-hw/mk/spec-hw_sabrelite.mk
> [4] genode-arm-objdump -ph $BUILD_DIR/var/run/$TARGET/image.elf
> [5] $GENODE_DIR/base/include/platform/sabrelite/drivers/board_base.h
>
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